public void Should_join_non_empty_if_last_invalid()
{
var result = StringExtensions.JoinNonEmpty("_", "1", "2", null);
Assert.Equal("1_2", result);
}
public void Should_join_non_empty_if_all_are_valid()
{
var result = StringExtensions.JoinNonEmpty("_", "1", "2", "3");
Assert.Equal("1_2_3", result);
}
public void Should_join_non_empty_if_middle_invalid()
{
var result = StringExtensions.JoinNonEmpty("_", "1", null, "3");
Assert.Equal("1_3", result);
}
public void Should_join_non_empty_when_first_invalid()
{
var result = StringExtensions.JoinNonEmpty("_", null, "2", "3");
Assert.Equal("2_3", result);
}